In the photo left the droopy flex duct will certainly invite clothes dryer moisture to condense and run back.
Dryer ducting through floor.
How to run dryer venting through a crawlspace.
After locating the shortest route for the ductwork determine the location of the dryer vent exit.
For dryer venting use 4 inch smooth wall aluminum pipe.
I need to install a 4 dryer vent thru my floor of my laundry room the reason for going thru thr floor is because the room is in the middle of the house and there s no exterior wall in the room.
Be sure to cut the pieces to length with tin snips before snapping the seam.
Use a section of vent pipe to mark a circle where the opening will be from inside of your home.
If it has no sticker then it should be assumed that it is not ul listed and should be replaced with a proper dryer vent material.
Straight dryer duct is available in various lengths up to 5 ft.
Vent out the roof.
Where changes of direction are required use 4 inch aluminum elbows.
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When you run the vent.
Our photo left shows a typical attempt at venting a upper floor clothes dryer through the attic and into a ridge vent this direction of vent exit may seem convenient but we don t like it much.
We spent many hours on research to finding dryer vent installation through floor reading product features product specifications for this guide.
When installing a dryer vent for laundry centers in basement locations keep in mind that the vent hood on the exterior of your home must be at least 12 inches from the ground.
Dryer on basement floor with duct running up block wall and out rim joist.
Dryer in an interior room with duct angling up through attic to roof.
Hang the pipe from the floor joists don t let it drape on the.
Avoid through roof dryer vent exits.
The transition duct should be as short as possible to connect the dryer to the metal dryer vent and it should be no longer than 8 feet.
It will go into the crawl space and out through the closes wall my question is after i cut my 4 1 8 hole through the floor what do i put through the hole and how is it attached.
Find dryer vents accessories at lowe s today.
It the mylar transition duct is ul approved it will have a ul sticker on it.